Clean up Travis related content (#1058)

* Remove all Travis related content

* Remove install_cloud.sh used by Travis

README.md

@@ -71,10 +71,7 @@ and is [documented separately](trillian/README.md).
 ## Working on the Code
 
 Developers who want to make changes to the codebase need some additional
-dependencies and tools, described in the following sections.  The
-[Travis configuration](.travis.yml) for the codebase is also useful reference
-for the required tools and scripts, as it may be more up-to-date than this
-document.
+dependencies and tools, described in the following sections.
 
 ### Running Codebase Checks
 

integration/test-runner.sh

@@ -3,7 +3,6 @@
 # This script is used by the CloudBuild ct_testbase docker image.
 # It's executed as the default command by that image in order to run a
 # full presubmit/integration test.
-# It's equivalent to the "script:" section in the travis config.
 
 ./scripts/presubmit.sh ${PRESUBMIT_OPTS} || exit 1
 

trillian/examples/deployment/kubernetes/README.md

@@ -65,14 +65,3 @@ If you want to change the `configmap` you'll need to:
 1. Delete the old `configmap` like so: `kubectl delete configmap ctfe-configmap`.
 1. Create the updated `configmap` as before.
 1. Re-run `deploy.sh` to force kubernetes to update the pods.
-
-
-## Continuous Integration Example
-
-The master continuous integration (CI)
-[script](https://github.com/google/certificate-transparency-go/blob/master/.travis.yml)
-provides an example of deploying a CT Log.  The Travis configuration is set up
-to deploy new builds from the `master` branch of the repo to our GCP
-environment, using the
-[deploy_gce_ci.sh](https://github.com/google/certificate-transparency-go/blob/master/scripts/deploy_gce_ci.sh)
-script (which sets environment variables appropriately for that environment).